St. Gallen Cathedral

The Stiftskirche St. Gallus und Otmar (Collegiate Church of St. Gall and Otmar) is a Roman Catholic church in the city of St. Gallen, Switzerland. Once part of the Abbey of St. Gall, it has been the cathedral of the Diocese of St. Gallen since 1847. It is considered one of the last great sacred structures of the Baroque era, and is a UNESCO World Heritage site.